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Re: Newbie - tire width on '88 750 iL? (archive)

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Posted by Brian P on December 28, 2000 at 19:03:01:

In Reply to: Newbie - tire width on '88 750 iL? posted by RobWilson on December 28, 2000 at 01:27:50:


I'm a newbie to the BMW world, but not to the car enthusiast world. I just bought an '88 750 iL yesterday with 138,000 miles. It needs a lot of little things repaired or replaced on it. One of the things it needs is a new set of tires. From what I've been able to tell, the stock tire size was 225/60/15. Currently, the car has BBS wheels with 225/50/16 tires. That means that the current tires are over .75 inches shorter than the stock tire height. Unless the original owner had the speedometer corrected to account for this tire height difference, the odometer shows more miles than the car has actually been driven. I would like to get back to the correct overall tire height. I would like to go with a wider tire at the same time. I'm considering mounting a 245/50/16 on these BBS rims. Can anyone tell me if this tire width will cause problems for me? Will I get tire rubbing? What is the widest recommended width that people are getting away with on these cars? Any help is greatly appreciated! I look forward to learning much more about my new (to me) 12 cylinder car. :)

BTW, the car has some ground effects kit on it that the seller told me was an optional package. Does anyone know anything about this package? Was it most likely a dealer installed option? Did the black 16" BBS wheels probably come as part of that package?

Rob Wilson
'88 750 iL

Rob, I have 1988 750iL with 255/40ZR17 tyres on 17" Alpina rims. 10" wide at rear and 8 1/2" wide on the front. There is no rubbing whatsoever, and no suspension modifications. I have seen the genuine catalogue for the Alpina wheels for e32 7 series and they actually go as high as 265 in width. Personally I reckon that would rub on the front though.
Brian P.

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